Ano Praskle sklicko na dotykove vrstve se rovna dotykum od uzivatele (ulomky,pnuti praskleho skla)
Edit: http://www.applemix.cz/695-nahradni-sklo-s-dotykov ou-vrstvou-pro-apple-iphone-4-touch-screen-digitiz er-cerny-original.html
Edit2: https://www.youtube.com/watch?v=TQheasR0qPc